2e3526986f
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- Replace convoluted CI workflow (setup-go, install golangci-lint, install goimports, make check) with simple 'docker build .' per repo policy - Pin Docker base images by SHA256 hash instead of mutable tags - Pin golangci-lint and goimports by commit hash instead of @latest - Add binutils-gold for linker compatibility on alpine - Run on all pushes, not just main/PR branches
42 lines
1007 B
Docker
42 lines
1007 B
Docker
# Build stage
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# golang 1.25-alpine, 2026-02-28
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FROM golang@sha256:f6751d823c26342f9506c03797d2527668d095b0a15f1862cddb4d927a7a4ced AS builder
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RUN apk add --no-cache git make gcc musl-dev binutils-gold
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# golangci-lint v2.10.1
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RUN go install github.com/golangci/golangci-lint/v2/cmd/golangci-lint@5d1e709b7be35cb2025444e19de266b056b7b7ee
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# goimports v0.42.0
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RUN go install golang.org/x/tools/cmd/goimports@009367f5c17a8d4c45a961a3a509277190a9a6f0
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WORKDIR /src
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COPY go.mod go.sum ./
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RUN go mod download
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COPY . .
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# Run all checks - build fails if any check fails
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RUN make check
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# Build the binary
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RUN make build
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# Runtime stage
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# alpine 3.21, 2026-02-28
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FROM alpine@sha256:c3f8e73fdb79deaebaa2037150150191b9dcbfba68b4a46d70103204c53f4709
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RUN apk add --no-cache ca-certificates tzdata
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WORKDIR /app
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COPY --from=builder /src/bin/dnswatcher /app/dnswatcher
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# Create data directory
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RUN mkdir -p /var/lib/dnswatcher
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ENV DNSWATCHER_DATA_DIR=/var/lib/dnswatcher
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EXPOSE 8080
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ENTRYPOINT ["/app/dnswatcher"]
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